Use new helper setup stuff.
Merge branch 'feature/issue-786-test-helpers-vumitools' into feature/adhoc-amqp-test-helper

Conflicts:
	go/apps/bulk_message/tests/test_vumi_app.py
	go/apps/dialogue/tests/test_vumi_app.py
	go/apps/http_api/tests/test_vumi_app.py
	go/apps/http_api_nostream/tests/test_vumi_app.py
	go/apps/jsbox/tests/test_message_store.py
	go/apps/jsbox/tests/test_opt_out.py
	go/apps/jsbox/tests/test_vumi_app.py
	go/apps/static_reply/tests/test_vumi_app.py
	go/apps/subscription/tests/test_vumi_app.py
	go/apps/surveys/tests/test_vumi_app.py
	go/apps/wikipedia/tests/test_vumi_app.py
	go/routers/keyword/tests/test_vumi_app.py
	go/vumitools/tests/test_app_worker.py
	go/vumitools/tests/test_metrics.py
Use new helper setup stuff.